The Screw,close Tolerance, cataloged under National Stock Number 5305-00-192-0583, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-192-0583 |
| Primary Part Number | HR112-7-23 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Width Across Flats | 0.220 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Fastener Length | 1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN |
| Grip Diameter | 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.875 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HR112-7-23 | Hi-Shear Corporation (USA) |
| C3606-23 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HR112-7-23 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| C3606-23 | 5/2 Secondary reference U.S. Government activity |
| C3606-23 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-192-0583 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-192-0583 has 3 manufacturer part numbers on file: HR112-7-23 (Hi-Shear Corporation), C3606-23 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HR112-7-23 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for HR112-7-23: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Width Across Flats: 0.220 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN; Fastener Length: 1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.